Synonyms|300Antonyms|107|Broader|6Narrower|1Related|829

7 entries under sure topic. ×

12
unerring(adjective, clear, certain, precise)
7
inerrant(adjective, complete, certain, valid)
3
immaculate(complete, perfect, precise, flawless)
1
genuine(clear, complete, certain, valid)
1
indubitable(clear, complete, certain, valid)
1
real(clear, complete, certain, valid)
1
valid(clear, complete, certain, unquestionable)
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APASmart Define. (2015). infallible thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/infallible/thesaurus/synonyms
ChicagoSmart Define. 2015. "infallible thesaurus" https://smartdefine.org/infallible/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, infallible thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/infallible/thesaurus/synonyms>.
MLASmart Define. "infallible thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/infallible/thesaurus/synonyms>